<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        var person={
            name:"张三",
            show:function(){
                console.log('大家好，我是'+this.name);
            }
        };
        //创建对象，并指定其原型__proto__
        var student=Object.create(person,{
            age:{
                value:18,
                writable:false
            }
        });

        console.log(student);

    </script>
</body>
</html>